Shoulder Screw 1/4"-20 x 5/16" x 1/2" - Stainless Steel 18-8

Marsoni

M251S

$34.32

Get it in 3 business days with 1 day shipping. Friday, May 29

Shoulder Screw 1/4"-20 x 5/16" x 1/2" - Stainless Steel 18-8Product Details : Shoulder Screw 1 4" 20 x 5 16" x 1 2" Stainless Steel 18 8 Product Type: Shoulder Screw Shoulder Diameter: 5 16" Thread Size: 1 4" 20 Bolt Diameter Size: 1 4" Thread Count (Pitch TPI): 20 Shoulder Length: 1 2" Thread Length: 7 16" Thread Type: Coarse Imperial Head Type: Hexagon Socket Head Diameter: 7 16" Head Height: 7 32" Drive Size: 5 32" Material(s): Stainless Steel 18 8 Tensile Strength: 70,000 psi Thread Direction: Right Hand

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Is it fun? Sure. Was it easy to charge and set up? Yep. That being said, this toy kind of fell flat for me. It really didn’t do any big movements once charged that I expected it to, so that was a bummer. I initially got it for my dog, but my cats were more interested in this than my dog was. The battery does seem to last a long time and the motor is pretty quiet. I WOULD NOT recommend this toy for strong chewers as the material for this is a foam rubber and I don’t think it’s durable enough for strong chewers. While the material makes this ball extremely lightweight for more movement, a strong chewer would have this disintegrated in five minutes flat. My Dog is a super strong chewer. I don’t think I would feel comfortable leaving him unattended with this because I know he would destroy it.

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Reviewed in the United States on May 5, 2026